YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
アマチャツルの成分研究(第1報)Gypenoside I-XIVの化学構造
竹本 常松在原 重信中島 正奥平 恵
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1983 年 103 巻 2 号 p. 173-185

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New saponins, named gypenosides I (1), II (2), V (5), VI (6), VII (7), IX (9), X (10), XI (11), XIII (13), XIV (14), besides the known ginsenosides-Rb1 (3), -Rb3 (4), -Rd (8) and -F2 (12), were isolated from Gynostemma pentaphyllum MAKINO. On enzymatic hydrolysis, all saponins yielded 20-O-β-D-glucopyranoside of 20 (S)-protopanaxadiol (compound K) as a prosapogenin. The configuration of the sugar linkages in each saponin was established on the basis of chemical and spectroscopic evidence.

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© by the PHARMACEUTICAL SOCIETY OF JAPAN
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